"When results are not (going) as well, you can always think you can improve.

"There is no perfect team and we will always try to improve our squad and our team.

"This season we lost key players at big important moments of the season, but we have to just to focus on finishing as well as we can.

"We are in a position where we can still do very well until the end of the season, that is what we want.

"It is not about next season, it is about this season."

The north Londoners have five remaining league games this season in which to secure fourth place and are ahead of closest rivals Everton by a point, although Roberto Martinez's side have a game in hand.